Evaporative Air Cooler, 3 IN 1 Personal Evaporative Cooler, 2Speed Cool Fan and Portable Humidifier 2000mAh for Room Office Bedroom Camping Feature ENERGY-SAVING and ECO-FRIENDLY : This small air cooler is Freon free, environmentally friendly, 5V or 2A can run with low energy consumption. Saving energy and saves on electricity bill, while protecting your family's health. 3 IN 1 NEWEST AIR COOLER : This multifunctional air cooler includes the functions of fan, humidifier, Equipped with high-frequency resonance of dual atomizing tablets to decompose liquid water molecules, thereby generating a fine mist, maintain the indoor humidity and will not make your skin feel dry. 2 WIND SPEEDS and 3 MIST OPTIONS : This evaporative air cooler can be set to 2 different wind speeds of low, medium and high to adapt to different needs in summer. There are 3mist options for continuous spraying and interval spraying, as well as you can choose to turn off the mist. It is easy to switching, perfect for family.USB Charger andTIMING function : This personal air cooler is small and lightweight, with a handle easy to carry.This ac unit is equipped with a 2 or 4 hours timing function. 350ML LARGE WATER TANK : This portable cooler can directly unscrew the lid from the top to add water or ice cubes. The 350ML large capacity water tank can continuous working 2 hours with spray mode. Spray will automatic stop when there is no water, the fan function still working. The cistern in the bottom can condensation water droplets when cool air working, and there have a hole on the back of the cisternSpecification:Plastic: ABS plastic shell..Rated voltage: 5V 2APower supply: USBRated power: 10WWind gear: 3 gearsWind speed: 3.5m or sNoise: 45dbWater tank capacity: 350mlAtomizer: 3 high-power 1.0 MZ atomizersAtomization volume: 50ml or hAtomization time: 2 hours or add water.Timing: 2 or 4 hoursShaking: Shaking around 70 degreesHumidification air supply,cool with icePacket included:1xair cooler1xUser cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.